Add git HEAD of RMG-database to output log.
Add git HEAD of RMG-database to output log.

nickvandewiele/RMG-Py,pierrelb/RMG-Py,chatelak/RMG-Py,nickvandewiele/RMG-Py,chatelak/RMG-Py,pierrelb/RMG-Py,nyee/RMG-Py,nyee/RMG-Py